Manually Releasing The Brakes - ABB Robotics IRB 6790 Product Manual

2 Installation and commissioning

2.4.7 Manually releasing the brakes

2.4.7 Manually releasing the brakes
Introduction to manually releasing the brakes
This section describes how to release the holding brakes for the motors of each
axis.
Location of brake release unit
The internal brake release unit is located as shown in the figure.
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Releasing the brakes
This procedure details how to release the holding brakes when the robot is equipped
with an internal brake release unit.
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78
Action
The internal brake release unit is equipped with
buttons for controlling the axes brakes. The buttons
are numbered according to the numbers of the
axes.
If the robot is not connected to the controller, power
must be supplied to the connector R1.MP according
to the section Supplying power to connector R1.MP
on page 79.
DANGER
When releasing the holding brakes, the robot axes
may move very quickly and sometimes in unexpec-
ted ways.
Make sure no personnel is near or beneath the ro-
bot.
© Copyright 2019 - 2020 ABB. All rights reserved.
Note
Buttons are shown in figure
tion of brake release unit on
page 78.
Product manual - IRB 6790
3HAC063331-001 Revision: B
Loca-